The game starts off with easy puzzles, which will teach you the many tricks, that help you solve the more difficult ones.
There are bridges, buttons, sometimes you must swap cargo from one truck to another.. Eventually you will meet the mysterious white car!

Available In-App purchases:

KING TRUCK:
The premium version of RGB Express
* Removes ads
* Supports game development and future updates

HINTS:
* The game contains 3 free hints that will help you if you get stuck. If you want to use more hints, you can buy them as in-app purchases.

* Please note:
Watching bonus videos after completing levels is optional. Press the arrow button to proceed to next level if you don’t wish to watch a video
* TIP: Sign-in to Google Play Games at the main menu to unlock achievements! If you change your phone or tablet, you can then restore your game progress by signing in to Google Play Games before completing any levels. Please note that this only restores the progress based on the achievements (100% completed islands).